Summary: The calculator was invented by the Chinese in the form of an abacus. Learn who invented the calculator with tips from a mathematics instructor in this free video on math history.
http://www.ehow.com/video_4977254_who-invented-calculat...
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Matrix (mathematics) - Wikipedia, the free encyclopedia
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In mathematics, a matrix (plural matrices , or less commonly matrixes ) is a rectangular array of numbers, such as \begin{bmatrix} 1 & 2 & 3 \\ 6 & 5 & 4 \end{bmatrix}. Entries of a matrix are o...
en.wikipedia.org/wiki/Matrix_(mathematics)
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The history of matrices goes back to ancient times! But the term "matrix" was not applied to the concept until 1850. ... The orgins of mathematical matrices lie with the study of systems of simultaneous linear equations. An important Chinese text from between 300 BC and AD 200, Nine Chapters of the Mathematical Art...
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www.ualr.edu/lasmoller/matrices.html
www.ualr.edu/lasmoller/matrices.html
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It is not surprising that the beginning of matrices should arise through the study involving systems of linear equations , because matrices help in the solutions of these equations.
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ellerbruch.nmu.edu/classes/cs255f01/cs255students/jesch...
ellerbruch.nmu.edu/classes/cs255f01/cs255students/jeschnei/P9/history.html
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The Harris Matrix was invented in 1973 by Dr. Edward C. Harris and for the first time provided archaeologists with a means to view stratigraphic sequences in diagram form. It has since been adopted by professionals worldwide.
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www.harrismatrix.com/
www.harrismatrix.com/
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Thinking Lika a Mathematician by Nancy Marie Brown; From Research/Penn State, Vol. 6, no. 2 (March 1985) ... "When Cayley invented matrices in the late 19th century," Steven Krantz tells me, "he was proud of the fact that they were absolutely useless.
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www.rps.psu.edu/edchoice/math.html
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Notice that all identity matrices are square matrices, e.g. the 3 x 3 identity matrix is . ... You have learnt how to add, subtract and multiply matrices. Is it possible to divide matrices? In this lesson, you will learn how to find the inverse of a 2 x ... Why study matrices? Who invented them? Click here to find out more...
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math.nie.edu.sg/bwjyeo/it/MathsOnline_AM/livemath/the/I...
math.nie.edu.sg/bwjyeo/it/MathsOnline_AM/livemath/the/IT3AMMatrices.html
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Two tires fly. Two wail. ... A bamboo grove, all chopped down ... ....IS THE BEST THAT CORPORAL BOBBY SHAFTOE CAN DO ON short notice--he's standing on the running board, gripping his Springfield with one hand and the rearview mirror with the other, so counting the syllables on his fingers is out of the question.
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www.cryptonomicon.com/text.html
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